Color

#05fa53

#05fa53
hex#05fa53
rgbrgb(5, 250, 83)
hslhsl(139, 96%, 50%)
oklchoklch(0.857 0.262 145.9)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6903

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fa05ac

#32fa05 · #05facd

#5305fa · #fa5305

Split-complementary

Open in tool →

#cd05fa · #fa0532

#0532fa · #fa05ac · #facd05

Contrast

#05fa53 as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #03872d as the text (4.66:1)
  • AAA: use #026421 as the text (7.38:1)
  • AA: or shift the background to #5e5e5e (4.57:1)
  • AAA: or shift the background to #424242 (7.09:1)
Aaon black
14.81:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05fa53 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #05fa53
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #05fa53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05fa53-a2beae-c059d4-1f2d2a-ebf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md